Finding the Fourth Proportional to 306,713.08, 423,283.35 and 185,864.95
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Solution
The fourth proportional to 306,713.08, 423,283.35 and 185,864.95 is: 256,505.33
Step by Step Solution
- Step 1: Write the proportion equation
306,713.08 : 423,283.35 = 185,864.95 : x - Step 2: Convert to fraction form
306,713.08/423,283.35 = 185,864.95/x - Step 3: Cross multiply
306,713.08x = 423,283.35 × 185,864.95 - Step 4: Simplify right side
306,713.08x = 78,673,538,683.58 - Step 5: Solve for x
x = 78,673,538,683.58/306,713.08 - Step 6: Final answer
x = 256,505.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.